A German submarine hunts allied ships during the Second World War, but it soon becomes the hunted. The crew tries to survive below the surface, while stretching both the boat and themselves to their limits.
- Genre: Drama, History, War
- Studio: Columbia Pictures, WDR, Radiant Film GmbH, Süddeutscher Rundfunk, Bavaria Film, Twin Bros. Productions
- Keyword: submarine, based on novel or book, atlantic ocean, gibraltar, world war ii, duty, war correspondent, suicide mission, drinking, sailor, convoy, destroyer, naval warfare, naval battle, battle of the atlantic
- Cast: Jürgen Prochnow, Herbert Grönemeyer, Klaus Wennemann, Hubertus Bengsch, Martin Semmelrogge, Bernd Tauber